Speaking on BBC Radio 4's Today programme, he also suggested Corbyn's mandate was so large that he should be leader for some time
Labour's party conference will show just much they have changed since Jeremy Corbyn's victory
David said it was particularly 'tough' to lose 'when it's your brother...'
I do not believe that the Labour Party, with the exception of Ed Balls, is ready to govern
As some of the keen watchers of the game predicted, he chose the Syria Tactic
Consumer groups will be given a greater role in identifying and fixing "broken markets" under Labour plans
Which other classes will do less well, now the middle is a priority?
The number of high-stakes machines is limited to four in each betting shop, but Labour claims bookmakers have got round the rule by opening more branches – often in deprived areas
Party said it will try to ‘unpick’ £6bn in outsourcing deals
The competing visions of the two main parties will be a crucial battleground at the 2015 election
IPPR report proposes a shift in spending away from Gordon Brown’s flagship tax credits
The festive family selfie is the Christmas card of choice for all three party leaders this year, but they each had their own take. There was one clear winner, says Andy McSmith
Millions of pounds in loans and donations to the opposition could be in doubt as inquiry seeks to get to the bottom of the Co-op's failings
Ed Miliband defends Labour's dealing with bank and Mr Flowers, saying party acted with 'utmost integrity'
Every one of Miliband’s six questions was cut off at the knees
Prime Minister David Cameron attacks Labour links as Vince Cable reviews scandal-hit bank’s mutual status